ZA757430B - Paper with improved whiteness - Google Patents

Paper with improved whiteness

Info

Publication number
ZA757430B
ZA757430B ZA00757430A ZA757430A ZA757430B ZA 757430 B ZA757430 B ZA 757430B ZA 00757430 A ZA00757430 A ZA 00757430A ZA 757430 A ZA757430 A ZA 757430A ZA 757430 B ZA757430 B ZA 757430B
Authority
ZA
South Africa
Prior art keywords
paper
improved whiteness
whiteness
improved
Prior art date
Application number
ZA00757430A
Other languages
English (en)
Inventor
G Winter
P Woditsch
F Muller
Original Assignee
Bayer Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bayer Ag filed Critical Bayer Ag
Publication of ZA757430B publication Critical patent/ZA757430B/xx

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H19/00—Coated paper; Coating material
    • D21H19/36—Coatings with pigments
    • D21H19/38—Coatings with pigments characterised by the pigments
    • D21H19/385—Oxides, hydroxides or carbonates
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/36—Compounds of titanium
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/63—Inorganic compounds
    • D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
    • D21H17/675—Oxides, hydroxides or carbonates
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/30—Luminescent or fluorescent substances, e.g. for optical bleaching

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Paper (AREA)
ZA00757430A 1974-11-27 1975-11-26 Paper with improved whiteness ZA757430B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2455958 1974-11-27

Publications (1)

Publication Number Publication Date
ZA757430B true ZA757430B (en) 1976-10-27

Family

ID=5931787

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00757430A ZA757430B (en) 1974-11-27 1975-11-26 Paper with improved whiteness

Country Status (10)

Country Link
JP (1) JPS5175101A (enrdf_load_stackoverflow)
AR (1) AR206448A1 (enrdf_load_stackoverflow)
BE (1) BE835955A (enrdf_load_stackoverflow)
BR (1) BR7507855A (enrdf_load_stackoverflow)
FI (1) FI753316A7 (enrdf_load_stackoverflow)
FR (1) FR2292802A1 (enrdf_load_stackoverflow)
NL (1) NL7513812A (enrdf_load_stackoverflow)
NO (1) NO753804L (enrdf_load_stackoverflow)
SE (1) SE7513299L (enrdf_load_stackoverflow)
ZA (1) ZA757430B (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
BR7507855A (pt) 1976-08-10
AR206448A1 (es) 1976-07-23
SE7513299L (sv) 1976-05-28
JPS5175101A (enrdf_load_stackoverflow) 1976-06-29
FI753316A7 (enrdf_load_stackoverflow) 1976-05-28
BE835955A (fr) 1976-05-26
NO753804L (enrdf_load_stackoverflow) 1976-05-31
FR2292802A1 (fr) 1976-06-25
NL7513812A (nl) 1976-05-31

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